Description This is an air release pen refill made of high-performance ABS and strong iron materials. It has a reasonable design and practical functions, easy to replace, convenient and practical, and can provide your air release pen with better working performance , It is convenient for it to better go to the air bubbles generated when the car is filmed, making it more smooth and beautiful. This is a great air release pen refill, it will be your good choice of tool accessories. Features -Color:White.-Material:ABS, Iron.-Size: About10.00X0.50X0.50cm/3.93X0.20X0.20inch.-It is made of high-performance ABS and sturdy iron material, which is durable and can meet your needs.-Effectively remove the air bubbles generated during the coating process and improve the quality and efficiency of the coating film.-This air bubble removal tool accessory has a compact size design, which is convenient for us to carry.-To provide you with a simpler way of replacement and maintenance, to bring convenience to your work.-The workmanship is fine, the texture is excellent, it has a simple replacement method and durable quality, which is very good.Packing list: 2 x Pen Refills